i never see something complete like this. very very good joob. i have alredy the IC lm3914 and for me was a pain calibrete his input but it was my first atempt so...
To increase the frequency, use fast comparators instead of lm3914, and buffers on transistors instead of opamps at the input, since they are the slowest things here.
ok i have a crazy idea but please @simpletronic look if it's possible. 1 i can make the sistem a 2 or 3 channel one using RGB led and multipol input stages with selectible triggers? 2 i can extend even more the matrix puting for example 2 lm3914 and 3 cd4017 in cascade mode?
Hi! For #2, CD4017's cannot be cascaded. You can use CD4028+binary counter, or 74HC238+binary counter. For #1, circuit will get a bit too complex for its capabilities.
Hi Fabio! Yes, LM3914 has 10 outputs and you can use all of them. The only drawback is that when the wave "overflows" the display, leds 1 and 10 will remain "ON" drawing a horizontal straight line. Not too serious, but a wrong wave image nevertheless! .
i never see something complete like this. very very good joob.
i have alredy the IC lm3914 and for me was a pain calibrete his input but it was my first atempt so...
Very nice with so few parts!
Why I carn’t get oscilloscope to work.
How could I increase the max frequency? Only adding more rangers or there is any components limitation?
Hi Johann! Yes, there are many components limitations. To increase the max frequency we would have to redesign the whole thing. :-)
@@simpletronic1299 Thank you
To increase the frequency, use fast comparators instead of lm3914, and buffers on transistors instead of opamps at the input, since they are the slowest things here.
Hello, Marcelo! Thank you for new interesting project! :)
Hi Igor! Nice to hear from you again !!
@@simpletronic1299 Hi I like project I makeing one myself it trouble wiring matrix.
very nice music, where is link download?
I will be uploading an album with all the music tracks from my videos soon. I´ll let you know, Thank you!
@@simpletronic1299 Thank you, my baby like to hear this 🎶 music
ok i have a crazy idea but please @simpletronic look if it's possible.
1 i can make the sistem a 2 or 3 channel one using RGB led and multipol input stages with selectible triggers?
2 i can extend even more the matrix puting for example 2 lm3914 and 3 cd4017 in cascade mode?
Hi! For #2, CD4017's cannot be cascaded. You can use CD4028+binary counter, or 74HC238+binary counter. For #1, circuit will get a bit too complex for its capabilities.
CD4017 of course can be cascaded, you just don't use first output, because it's high after reset.
So amazing, Congratulations !
can I use a 10×10 matrix led?
maybe you can use it like a 10x7 and neglect(not use) the rest 3 lines.
Hi Fabio! Yes, LM3914 has 10 outputs and you can use all of them. The only drawback is that when the wave "overflows" the display, leds 1 and 10 will remain "ON" drawing a horizontal straight line. Not too serious, but a wrong wave image nevertheless! .
Buen trabajo felicitaciones!
zrob film z tym ukladem: 4:56
Hi! That one is a 3D computer animation I created, not a real board !!
Gigabyte libraries of free music and you chose that